ABOUT THE MAINSTREAM COLLECTION — Give your bathroom a fresh update with the Mainstream shower options. The collection includes a 32-inch shower door, coordinating wall system and shower base, each sold separately. Choose only the pieces you need or plan a complete shower makeover that’s easy and affordable. The Mainstream Shower Door from American Standard is the perfect update for the smaller shower. Designed with clear glass to maintain an open, airy look, this pivot style, framed door is an easy way to freshen up the bathroom for a more enjoyable showering experience. Add the coordinating Mainstream shower base and wall surround, each sold separately, for a complete update.